#!/bin/bash

#
#  helper script: generate release archive (ROM images)
#
#I	Copyright (C) 2020 Leah Rowe <info@minifree.org>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

# This script assumes that the working directory is the root
# of git or release archive

[ "x${DEBUG+set}" = 'xset' ] && set -v
set -u -e

version="retroboot-version-unknown"

if [ ! -f "version" ]; then
    # if not tag specified, use timestamp
    if [ -d ".git/" ]; then
        version="$(git describe --tags HEAD)" \
            || version="$(git show --no-patch --no-notes --pretty='%ct' HEAD)" \
            || version="retroboot-version-unknown"
    fi
else
    version="$(cat version)"
fi

printf "Building Retroboot ROM image archive, version %s\n" "${version}"

if [ ! -d "bin/" ]; then
    ./build retroboot roms
fi

[ ! -d "release/" ] && mkdir -p release/
[ ! -d "release/${version}/" ] && mkdir -p "release/${version}/"
[ -d "release/${version}/retroboot${version}_roms/" ] && \
    rm -Rf "release/${version}/retroboot${version}_roms/"
[ -f "release/${version}/retroboot${version}_roms.tar.xz" ] && \
    rm -f "release/${version}/retroboot${version}_rom.tar.xz/"

cp -R bin/ "release/${version}/retroboot${version}_roms/"

printf "%s" "${version}" > "release/${version}/retroboot${version}_roms/"/version

cp {COPYING,RELEASE,README} "release/${version}/retroboot${version}_roms/"

(
cd "release/${version}/"
tar -c "retroboot${version}_roms/" | xz -9e >"retroboot${version}_roms.tar.xz"
rm -Rf "retroboot${version}_roms/"
)

printf "ROM image release archive available at release/${version}/retroboot${version}_roms.tar.xz\n\n"

